Journal
ENVIRONMENTAL POLLUTION
Volume 157, Issue 6, Pages 1917-1923Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2009.01.016
Keywords
PBDEs; TBBPA; DEDPE; Sediment; Dongjiang River
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Funding
- National Natural Science Foundation of China [20507018, 40632012, 40821003]
- Earmarked Fund of the State Key Laboratory of Organic Geochemistry [SKLOG2008A05]
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Polybrominated diphenyl ethers (PBDEs), tetrabromobisphenol A (THPA), and decabromodiphenylethane (DBDPE) were detected in fifteen surface sediments and two sediment cores collected from a river in one heavily industrialized region of South China. TBBPA and DBDPE were detected with concentrations ranging from 3.8 to 230 ng/g dw and from 23 to 430 ng/g dw, respectively. Sigma tri-hepta-BDEs and Sigma nonadeca-BDEs ranged from 0.7 to 7.6 ng/g dw and from 30 to 5700 ng/g dw, respectively. Sigma tri-hepta-BDEs showed an increasing trend whereas for Sigma nona-deca-BDE two sediment cores revealed a decreasing trend in more recent sediment layers which may attributed to the introduction of DBDPE. The rapid increasing trend for TBBPA and DBDPE in recent sediment layers well reflected the rising demand of these two compounds in study area. (C) 2009 Elsevier Ltd. All rights reserved.
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